Compilare: main.cpp: In function 'int bfs()': main.cpp:38:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for(int i = 0; i < l[u].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: In function 'int edmonds_karp()': main.cpp:61:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for(int i = 0; i < l[n].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:58:20: warning: unused variable 'flow' [-Wunused-variable] 58 | int maxim = 0, flow, minim, u, v; | ^~~~